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Sugarcane Biomass Prediction with Multi-Mode Remote Sensing Data Using Deep Archetypal Analysis and Integrated Learning

文献类型： 外文期刊

作者： Wang, Zhuowei 1 ; Lu, Yusheng 1 ; Zhao, Genping 1 ; Sun, Chuanliang 3 ; Zhang, Fuhua 4 ; He, Su 5 ;

作者机构： 1.Guangdong Univ & Technol, Sch Comp Sci & Technol, Guangzhou 510006, Peoples R China

2.Nanning Normal Univ, Key Lab Environm Change & Resources Use Beibu Gul, Minist Educ, Nanning 530001, Peoples R China

3.Jiangsu Acad Agr Sci, Inst Agr Informat, Nanjing 210014, Peoples R China

4.Beijing Aerosp TITAN Technol Co Ltd, Beijing 100070, Peoples R China

5.Inner Mongolia Agr Univ, Coll Mech & Elect Engn, Hohhot 010018, Peoples R China

关键词： biomass prediction; multi-mode remote sensing data; deep archetypal analysis; integrated learning

期刊名称：REMOTE SENSING （ 影响因子：5.349； 五年影响因子：5.786 ）

ISSN：

年卷期： 2022 年 14 卷 19 期

页码：

收录情况： SCI

摘要： The use of multi-mode remote sensing data for biomass prediction is of potential value to aid planting management and yield maximization. In this study, an advanced biomass estimation approach for sugarcane fields is proposed based on multi-source remote sensing data. Since feature interpretability in agricultural data mining is significant, a feature extraction method of deep archetypal analysis (DAA) that has good model interpretability is introduced and aided by principal component analysis (PCA) for feature mining from the multi-mode multispectral and light detection and ranging (LiDAR) remote sensing data pertaining to sugarcane. In addition, an integrated regression model integrating random forest regression, support vector regression, K-nearest neighbor regression and deep network regression is developed after feature extraction by DAA to precisely predict biomass of sugarcane. In this study, the biomass prediction performance achieved using the proposed integrated learning approach is found to be predominantly better than that achieved by using conventional linear methods in all the time periods of plant growth. Of more significance, according to model interpretability of DAA, only a small set of informative features maintaining their physical meanings (four informative spectral indices and four key LiDAR metrics) can be extracted which eliminates the redundancy of multi-mode data and plays a vital role in accurate biomass prediction. Therefore, the findings in this study provide hands-on experience to planters with indications of the key or informative spectral or LiDAR metrics relevant to the biomass to adjust the corresponding planting management design.

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